Table 3.
Analyses of variance of the effects of open‐versus self‐pollination, stress type, and stress level (control, intermediate, or high) on functional nodule traits (probability of nodule presence; log‐number of nodules, log‐nodule density; and the size of the largest nodule) of Anthyllis vulneraria
| Source | df | Functional nodule traits | ||||
|---|---|---|---|---|---|---|
| Prob. of presence | Number | Density | Size | |||
| Quasi‐F | F | F | df | F | ||
| Stress type | 4 | 46.33 *** | 49.78 *** | 46.17 *** | 4 | 21.26*** |
| Stress level | 2 | 3.29 ** | 29.20 *** | 9.94 ** | 2 | 4.48* |
| Stress type × level | 8 | 14.65 *** | 13.03 *** | 10.44 *** | 8 | 7.56*** |
| Open versus Self‐Pollination | 1 | 0.01 | 4.03 * | 0.77 | 1 | 9.48** |
| Pollination × Stress type | 4 | 1.24 | 2.07 | 1.83 | 4 | 1.28 |
| Pollination × Stress level | 2 | 0.03 | 0.67 | 0.76 | 2 | 0.79 |
| Pollination × Stress type × level | 8 | 0.22 | 0.24 | 0.35 | 8 | 0.48 |
| Residual | 185 | 132 | ||||
* p < 0.05; ** p < 0.01; *** p < 0.001.